Rudbeckia hirta L.

Native to:

Alabama, Alberta, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Introduced into:

Austria, Baltic States, Belarus, Belgium, Cuba, Czechoslovakia, East European Russia, France, Germany, Great Britain, Hungary, Ireland, Irkutsk, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Kuril Is., Myanmar, Netherlands, Newfoundland, Norway, Poland, Primorye, Romania, South European Russi, Spain, Sweden, Switzerland, Turkmenistan, Ukraine, Uzbekistan, West Siberia, Yugoslavia

POWO follows these authorities in accepting this name:

• Ghazanfar, S.A., Edmondson, J.R. & Hind, D.J.N. (eds.) (2019). Flora of Iraq 6: 1-458. Ministry of Agriculture & Agrarian Reform, Baghdad.
• Kharkevich, S.S. (ed.) (1992). Plantae Vasculares Orientalis Extremi Sovietici 6: 1-428. Nauka, Leningrad.
• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
• Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
• Krasnoborov, I.M. (ed.) (2007). Flora of Siberia 13: 1-499. Scientific Publishers, Inc., Enfield, Plymouth.
• Malyschev, L.I., Peshkova, G.A. & Baikov, K.S. (eds.) (2007). Flora of Siberia 14: 1-210. Scientific Publishers, Inc., Enfield, Plymouth.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
• Urziceanu, M. & al. (2020). Updated list of non-native ornamental plants in Romania. Contributii Botanice Universitatea "Babes-Bolyai" din Cluj-Napoca 55: 59-82.

Kew Backbone Distributions

• Kharkevich, S.S. (ed.) (1992). Plantae Vasculares Orientalis Extremi Sovietici 6: 1-428. Nauka, Leningrad.
• Krasnoborov, I.M. (ed.) (2007). Flora of Siberia 13: 1-499. Scientific Publishers, Inc., Enfield, Plymouth.
• Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://www.newfoundland-labradorflora.com/checklist/.
• Shevtsov, V. (2022). Personal Communication on South European Russia. 1.